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BOSTON MARATHON 2025

Shelby Malone

MA

Bib: 27903 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
12:51/mi
39:54
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
12:48/mi
1:19:39
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
12:55/mi
1:59:46
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
13:40/mi
2:42:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
13:44/mi
2:51:36
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
14:05/mi
3:25:45
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:38/mi
4:11:12
↑ 181↓ 1480.2%
138 ft elev
20M
14:13/mi
4:30:31
↑ 64↓ 500.2%
148 ft elev
21M
15:22/mi
4:45:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:50/mi
4:56:14
↑ 17↓ 861.7%
156 ft elev
23M
14:12/mi
5:14:01
↑ 23↓ 630.6%
116 ft elev
24M
14:32/mi
5:28:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:41/mi
5:40:15
↓ 200.3%
20 ft elev
25.2M
13:52/mi
5:45:02
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:46/mi
5:57:01
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:51:36
Pace13:05 /mi
2nd Half
Distance13.11 mi
Time3:05:25
Pace14:09 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:4339:5412:5139:54
12:51
-
10K
6.21 mi12:37:281:19:3912:4939:45
12:48
-0:03
15K
9.32 mi13:17:351:59:4612:5140:07
12:55
+0:07
20K
12.43 mi14:00:032:42:1413:0342:28
13:40
+0:45
Half
13.11 mi14:09:252:51:3613:059:22
13:44
+0:04
25K
15.53 mi14:43:343:25:4513:1534:09
14:05
+0:21
30K
18.64 mi15:29:014:11:1213:2945:27
14:38
+0:33
20M
20.00 mi15:48:204:30:3113:3219:19
14:13
-0:25
21M
21.00 mi16:03:424:45:5313:3715:22
15:22
+1:09
35K
21.75 mi16:14:034:56:1413:3710:21
13:50
-1:32
23M
23.00 mi16:31:505:14:0113:3917:47
14:12
+0:22
24M
24.00 mi16:46:225:28:3313:4114:32
14:32
+0:20
40K
24.85 mi16:58:045:40:1513:4111:42
13:41
-0:51
25.2M
25.20 mi17:02:515:45:0213:424:47
13:52
+0:11
Finish
26.22 mi17:14:505:57:0113:3811:59
11:46
-2:06

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

11:46 /mi

Average Pace

13:38 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:45

37% of race

Time at Steady Pace

2:29:55

42% of race

Time at Slower Pace

1:15:21

21% of race

Average Pace: 13:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:57:4339:5412:5139:54
12:51
#28367
10K
6.21 mi12:37:281:19:3912:4939:45
12:48
#28354
15K
9.32 mi13:17:351:59:4612:5140:07
12:55
#28322
20K
12.43 mi14:00:032:42:1413:0342:28
13:40
#28306
Half
13.11 mi14:09:252:51:3613:059:22
13:44
#28309
25K
15.53 mi14:43:343:25:4513:1534:09
14:05
#28292
30K
18.64 mi15:29:014:11:1213:2945:27
14:38
#28270
20M
20.00 mi15:48:204:30:3113:3219:19
14:13
#28249
21M
21.00 mi16:03:424:45:5313:3715:22
15:22
#28239
35K
21.75 mi16:14:034:56:1413:3710:21
13:50
#28223
23M
23.00 mi16:31:505:14:0113:3917:47
14:12
#28212
24M
24.00 mi16:46:225:28:3313:4114:32
14:32
#28206
40K
24.85 mi16:58:045:40:1513:4111:42
13:41
#28186
25.2M
25.20 mi17:02:515:45:0213:424:47
13:52
#28171
Finish
26.22 mi17:14:505:57:0113:3811:59
11:46
#28141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28367122061220628135(Top 99%)12067(Top 99%)12067(Top 221%)
10K6.21 mi3.10 mi28354+1312195+1112195+1128281(Top 100%)12157(Top 99%)12157(Top 222%)
15K9.32 mi3.11 mi28322+3212181+1412181+1428135(Top 99%)12067(Top 99%)12067(Top 221%)
20K12.43 mi3.11 mi28306+1612170+1112170+1128132(Top 99%)12078(Top 99%)12078(Top 221%)
Half13.11 mi0.68 mi28309-312173-312173-328228(Top 99%)12143(Top 99%)12143(Top 222%)
25K15.53 mi2.42 mi28292+1712170+312170+327917(Top 98%)11962(Top 98%)11962(Top 219%)
30K18.64 mi3.11 mi28270+2212158+1212158+1227870(Top 98%)11988(Top 98%)11988(Top 219%)
20M20.00 mi1.36 mi28249+2112147+1112147+1127437(Top 97%)11783(Top 96%)11783(Top 215%)
21M21.00 mi1.00 mi28239+1012142+512142+527425(Top 97%)11787(Top 96%)11787(Top 216%)
35K21.75 mi0.75 mi28223+1612136+612136+627593(Top 97%)11904(Top 97%)11904(Top 218%)
23M23.00 mi1.25 mi28212+1112131+512131+527476(Top 97%)11844(Top 97%)11844(Top 217%)
24M24.00 mi1.00 mi28206+612133-212133-227890(Top 98%)12065(Top 99%)12065(Top 221%)
40K24.85 mi0.85 mi28186+2012123+1012123+1026927(Top 95%)11607(Top 95%)11607(Top 212%)
25.2M25.20 mi0.35 mi28171+1512112+1112112+1126123(Top 92%)11250(Top 92%)11250(Top 206%)
Finish26.22 mi1.02 mi28141+3012097+1512097+1526487(Top 93%)11385(Top 93%)11385(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28135

Females

12067

F18-39

12067

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

28281

Females

12157

F18-39

12157

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28135

Females

12067

F18-39

12067

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28132

Females

12078

F18-39

12078

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

28228

Females

12143

F18-39

12143

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27917

Females

11962

F18-39

11962

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27870

Females

11988

F18-39

11988

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27437

Females

11783

F18-39

11783

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27425

Females

11787

F18-39

11787

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27593

Females

11904

F18-39

11904

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27476

Females

11844

F18-39

11844

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27890

Females

12065

F18-39

12065

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26927

Females

11607

F18-39

11607

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26123

Females

11250

F18-39

11250

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26487

Females

11385

F18-39

11385

Passing Analysis

Category:
Athletes Passed
276
Passed By
50
Net Change
+226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28367
5K → 10K196+13#28367#28354
10K → 15K331+32#28354#28322
15K → 20K248+16#28322#28306
20K → Half14-3#28306#28309
Half → 25K236+17#28309#28292
25K → 30K319+22#28292#28270
30K → 20M210+21#28270#28249
20M → 21M133+10#28249#28239
21M → 35K160+16#28239#28223
35K → 23M143+11#28223#28212
23M → 24M148+6#28212#28206
24M → 40K222+20#28206#28186
40K → 25.2M150+15#28186#28171
25.2M → Finish300+30#28171#28141
TOTALS27650+226
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing